Consolidated Balance Sheets (Parentheticals) - shares	Jun. 30, 2023	Jun. 30, 2022
Statement of Financial Position [Abstract]
Series A voting preferred stock, shares issued	0	0
Series A voting preferred stock, shares outstanding	0	0
Redeemable, convertible preferred stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	21,107,018,148	21,090,218,148
Common stock, shares outstanding	21,107,018,148	21,090,218,148